Fire alarm device
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United States of America Patent
Stats
-
Sep 23, 1997
Grant Date -
N/A
app pub date -
May 16, 1995
filing date -
Jan 18, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a fire alarm device for detecting the physical quantities of substances arising from the outbreak of a fire and giving a fire alarm, membership functions showing the correlation between an arising quantities calculated by the detected physical quantities and the danger degree which a man would feel with respect to the physical quantities are preset, the danger degree with respect to the arising value calculated by the physical quantities actually detected by a detection means is obtained by using the membership functions, and an alarm and control in accordance with the danger degree is given. Therefore, there is provided a fire alarm device capable of judging the outbreak of a fire based on an actual fire situation and giving an alarm and control in accordance with the degree of danger which a man would feel with respect to the scale, situation and so on of the fire.
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